Revealing: When the UFO makes the huge flash that knocks everyone in the cemetery down, one of the police officers kicks a tombstone as he falls and it wobbles back and forth.
Great sites
Mistakes
When the officers in Washington are listening to the alien message, there's a shot where you can see the shadow of the crew on the desk, just before the message has finished. See more...
Trivia
Did you ever ask yourself why the "Old Man" (the dead one) has his hand in front of his face in some scenes? It's because the actor died during the production of the movie and the second actor didn't look similar enough... See more...
Plan 9 From Outer Space mistakes
Continuity: When the men first enter the spaceship, one of the windows shows an afternoon sky and the one next to it shows a nighttime sky.
Visible crew/equipment: When the pilots are driving the plane and a spaceship pass them you can see a shadow of a microphone.
Plan 9 From Outer Space trivia
In the hero's house, watch the furniture. They've used the exact same set of furniture inside and on the balcony.
This was given the Golden Turkey Award for "Worst Movie of All Time," and its director, Edward D. Wood Jr, the "Worst Director of All Time."
Did you ever ask yourself why the "Old Man" (the dead one) has his hand in front of his face in some scenes? It's because the actor died during the production of the movie and the second actor didn't look similar enough...